<!DOCTYPE html>
<html lang="en" xmlns:th="http://www.thymeleaf.org" xmlns:shiro="http://www.w3.org/1999/xhtml">
<head>
  <meta charset="UTF-8">
  <title>Title</title>
</head>
<body>
<h1>首页</h1>
<div th:if="${session.loginUser==null}">
  <p>
    <a th:href="@{/toLogin}">登录</a>
  </p>
</div>

<p th:text="${msg}"></p>
<hr>
<div shiro:hasPermission="user:add">
<a th:href="@{/user/add}">add</a>
</div>
<div shiro:hasPermission="user:update">
<a th:href="@{/user/update}">update</a>
</div>
</body>
</html>